<template>
	<view>
		<view class="uni-header">
			<view class="uni-group">
				<view class="uni-title"></view>
				<view class="uni-sub-title"></view>
			</view>
			<view class="uni-group">
				<input class="uni-search" type="text" v-model="query" @confirm="search" placeholder="请输入搜索内容" />
				<button class="uni-button" type="default" size="mini" @click="search">搜索</button>
				<button class="uni-button" type="default" size="mini" @click="navigateTo('./add')">新增</button>
				<button class="uni-button" type="default" size="mini" :disabled="!selectedIndexs.length"
					@click="delTable">批量删除</button>
				<download-excel class="hide-on-phone" :fields="exportExcel.fields" :data="exportExcelData"
					:type="exportExcel.type" :name="exportExcel.filename">
					<button class="uni-button" type="primary" size="mini">导出 Excel</button>
				</download-excel>
			</view>
		</view>
		<view class="uni-container">
			<unicloud-db ref="udb" :collection="collectionList"
				field="category_id,merchant_id,master_id,name,price,original_price,discount,producing_area,keywords,goods_desc,goods_thumb,sales_volume,remain_count,comment_count,rating,is_real,status,is_best,is_on_blockchain,is_hot,add_date,last_modify_date,seller_note"
				:where="where" page-data="replace" :orderby="orderby" :getcount="true" :page-size="options.pageSize"
				:page-current="options.pageCurrent" v-slot:default="{ data, pagination, loading, error, options }"
				:options="options" loadtime="manual" @load="onqueryload">
				<uni-table ref="table" :loading="loading" :emptyText="error.message || '没有更多数据'" border stripe
					type="selection" @selection-change="selectionChange">
					<uni-tr>
						<uni-th align="center" filter-type="search" @filter-change="filterChange($event, 'name')"
							sortable @sort-change="sortChange($event, 'name')">名称</uni-th>

						<uni-th align="center" filter-type="search"
							@filter-change="filterChange($event, 'category_name')" sortable
							@sort-change="sortChange($event, 'category_name')">商品类别</uni-th>
						<uni-th align="center" filter-type="search" @filter-change="filterChange($event, 'goods_thumb')"
							sortable @sort-change="sortChange($event, 'goods_thumb')">缩略图</uni-th>
						<uni-th align="center" filter-type="search"
							@filter-change="filterChange($event, 'merchant_name')" sortable
							@sort-change="sortChange($event, 'merchant_name')">所属商户</uni-th>
						<uni-th align="center" filter-type="search" @filter-change="filterChange($event, 'master_name')"
							sortable @sort-change="sortChange($event, 'master_name')">非遗传承人</uni-th>
						<uni-th align="center" filter-type="range" @filter-change="filterChange($event, 'price')"
							sortable @sort-change="sortChange($event, 'price')">商品价格(元)</uni-th>
						<uni-th align="center" filter-type="range"
							@filter-change="filterChange($event, 'original_price')" sortable
							@sort-change="sortChange($event, 'original_price')">原始价格(元)</uni-th>
						<uni-th align="center" filter-type="range" @filter-change="filterChange($event, 'discount')"
							sortable @sort-change="sortChange($event, 'discount')">折扣</uni-th>
						<uni-th align="center" filter-type="search"
							@filter-change="filterChange($event, 'producing_area')" sortable
							@sort-change="sortChange($event, 'producing_area')">产地</uni-th>
						<uni-th align="center" filter-type="search" @filter-change="filterChange($event, 'keywords')"
							sortable @sort-change="sortChange($event, 'keywords')">关键字</uni-th>
						<uni-th align="center" filter-type="range" @filter-change="filterChange($event, 'sales_volume')"
							sortable @sort-change="sortChange($event, 'sales_volume')">销量</uni-th>
						<uni-th align="center" filter-type="range" @filter-change="filterChange($event, 'rating')"
							sortable @sort-change="sortChange($event, 'rating')">商品评分</uni-th>
						<uni-th align="center" sortable @sort-change="sortChange($event, 'is_real')">是否实物</uni-th>

						<uni-th align="center" filter-type="range" @filter-change="filterChange($event, 'remain_count')"
							sortable @sort-change="sortChange($event, 'remain_count')">库存数量</uni-th>
						<!-- 						<uni-th align="center" filter-type="range"
							@filter-change="filterChange($event, 'month_sell_count')" sortable
							@sort-change="sortChange($event, 'month_sell_count')">月销量</uni-th>
						<uni-th align="center" filter-type="range"
							@filter-change="filterChange($event, 'total_sell_count')" sortable
							@sort-change="sortChange($event, 'total_sell_count')">总销量</uni-th> -->
						<uni-th align="center" sortable @sort-change="sortChange($event, 'status')">销售状态</uni-th>
						<uni-th align="center" sortable @sort-change="sortChange($event, 'is_on_blockchain')">是否上链</uni-th>
						<uni-th align="center" sortable @sort-change="sortChange($event, 'is_best')">是否精品</uni-th>
						
						<uni-th align="center" sortable @sort-change="sortChange($event, 'is_hot')">是否热销</uni-th>
						<uni-th align="center" filter-type="timestamp" @filter-change="filterChange($event, 'add_date')"
							sortable @sort-change="sortChange($event, 'add_date')">上架日期</uni-th>
						<uni-th align="center" filter-type="timestamp"
							@filter-change="filterChange($event, 'last_modify_date')" sortable
							@sort-change="sortChange($event, 'last_modify_date')">最后修改日期</uni-th>
						<uni-th align="center" filter-type="search" @filter-change="filterChange($event, 'seller_note')"
							sortable @sort-change="sortChange($event, 'seller_note')">商家备注</uni-th>
						<uni-th align="center">操作</uni-th>
					</uni-tr>
					<uni-tr v-for="(item, index) in data" :key="index">
						<uni-td align="center">{{ item.name }}</uni-td>

						<uni-td align="center">{{ item.category_id && item.category_id[0] ?
							item.category_id[0].category_name : '无' }}</uni-td>
						<uni-td align="center">
							<image :src="item.goods_thumb" style="width: 100px; height: 100px;"></image>
						</uni-td>
						<uni-td align="center">{{ item.merchant_id && item.merchant_id[0] ?
							item.merchant_id[0].merchant_name : '无' }}</uni-td>
						<uni-td align="center">{{ item.master_id && item.master_id[0] ? item.master_id[0].master_name :
							'无' }}</uni-td>
						<uni-td align="center">{{ item.price }}</uni-td>
						<uni-td align="center">{{ item.original_price || '无' }}</uni-td>
						<uni-td align="center">{{ item.discount ? (item.discount * 100).toFixed(1) + '%' : '无'
							}}</uni-td>
						<uni-td align="center">{{item.producing_area.text }}</uni-td>
						<uni-td align="center">{{ item.keywords || '无' }}</uni-td>
						<uni-td align="center">{{ item.sales_volume || '无' }}</uni-td>
						<uni-td align="center">{{ item.rating ? item.rating.toFixed(1) + '分' : '无' }}</uni-td>
						<uni-td align="center">{{ item.is_real === true ? '✅' : item.is_real === false ? '❌' :
							'无' }}</uni-td>

						<uni-td align="center">{{ item.remain_count }}</uni-td>
						<!-- 						<uni-td align="center">{{item.month_sell_count}}</uni-td>
						<uni-td align="center">{{item.total_sell_count}}</uni-td> -->
						<uni-td align="center">{{ 
							item.status === 0 ? '在售' : 
							item.status === 1 ? '售罄' : 
							item.status === 2 ? '下架' : '未知'
						}}</uni-td>
						<uni-td align="center">{{ item.is_on_blockchain == true ? '✅' : '❌' }}</uni-td>
						<uni-td align="center">{{ item.is_best == true ? '✅' : '❌' }}</uni-td>
						
						<uni-td align="center">{{ item.is_hot == true ? '✅' : '❌' }}</uni-td>
						<uni-td align="center">
							<uni-dateformat :threshold="[0, 0]" :date="item.add_date"></uni-dateformat>
						</uni-td>
						<uni-td align="center">
							<uni-dateformat :threshold="[0, 0]" :date="item.last_modify_date"></uni-dateformat>
						</uni-td>
						<uni-td align="center">{{ item.seller_note }}</uni-td>
						<uni-td align="center">
							<view class="uni-group">
								<button @click="navigateTo('./edit?id=' + item._id, false)" class="uni-button"
									size="mini" type="primary">修改</button>
								<button @click="confirmDelete(item._id)" class="uni-button" size="mini"
									type="warn">删除</button>
							</view>
						</uni-td>
					</uni-tr>
				</uni-table>
				<view class="uni-pagination-box">
					<uni-pagination show-icon :page-size="pagination.size" v-model="pagination.current"
						:total="pagination.count" @change="onPageChanged" />
				</view>
			</unicloud-db>
		</view>
	</view>
</template>

<script>
	import {
	enumConverter,
	filterToWhere
} from '../../js_sdk/validator/opendb-mall-goods.js';

	const db = uniCloud.database()
	// 表查询配置
	const dbOrderBy = '' // 排序字段
	const dbSearchFields = [] // 模糊搜索字段，支持模糊搜索的字段列表。联表查询格式: 主表字段名.副表字段名，例如用户表关联角色表 role.role_name
	// 分页配置
	const pageSize = 20
	const pageCurrent = 1

	const orderByMapping = {
		"ascending": "asc",
		"descending": "desc"
	}

	export default {
		data() {
			return {
				collectionList: [
					db.collection('opendb-mall-goods').getTemp(),
					db.collection("opendb-mall-categories").field("_id,name as category_name").getTemp(),
					db.collection("intangible_merchant").field("_id,name as merchant_name").getTemp(),
					db.collection("intangible_master").field("_id,name as master_name").getTemp()
				],
				query: '',
				where: '',
				orderby: dbOrderBy,
				orderByFieldName: "",
				selectedIndexs: [],
				options: {
					pageSize,
					pageCurrent,
					filterData: {},
					...enumConverter
				},
				imageStyles: {
					width: 64,
					height: 64
				},
				exportExcel: {
					"filename": "opendb-mall-goods.xls",
					"type": "xls",
					"fields": {
						"类别ID": "category_id",
						"商户ID": "merchant_id",
						"非遗传承人ID": "master_id",
						"名称": "name",
						"价格": "price",
						"原始价格": "original_price",
						"折扣": "discount",
						"产地": "producing_area",
						"关键字": "keywords",
						"详细描述": "goods_desc",
						"缩略图地址": "goods_thumb",
						"销量": "sales_volume",
						"库存数量": "remain_count",
						"评论数": "comment_count",
						"商品评分": "rating",
						"是否实物": "is_real",
						"销售状态": "status",
						"是否精品": "is_best",
						"是否上链": "is_on_blockchain",
						"是否热销": "is_hot",
						"上架日期": "add_date",
						"最后修改时间": "last_modify_date",
						"卖家备注": "seller_note"
					}
				},
				exportExcelData: []
			}
		},
		onLoad() {
			this._filter = {}
		},
		onReady() {
			this.$refs.udb.loadData()
		},
		methods: {
			onqueryload(data) {
				this.exportExcelData = data
			},
			getWhere() {
				const query = this.query.trim()
				if (!query) {
					return ''
				}
				const queryRe = new RegExp(query, 'i')
				return dbSearchFields.map(name => queryRe + '.test(' + name + ')').join(' || ')
			},
			search() {
				const newWhere = this.getWhere()
				this.where = newWhere
				this.$nextTick(() => {
					this.loadData()
				})
			},
			loadData(clear = true) {
				this.$refs.udb.loadData({
					clear
				})
			},
			onPageChanged(e) {
				this.selectedIndexs.length = 0
				this.$refs.table.clearSelection()
				this.$refs.udb.loadData({
					current: e.current
				})
			},
			navigateTo(url, clear) {
				// clear 表示刷新列表时是否清除页码，true 表示刷新并回到列表第 1 页，默认为 true
				uni.navigateTo({
					url,
					events: {
						refreshData: () => {
							this.loadData(clear)
						}
					}
				})
			},
			// 多选处理
			selectedItems() {
				var dataList = this.$refs.udb.dataList
				return this.selectedIndexs.map(i => dataList[i]._id)
			},
			// 批量删除
			delTable() {
				this.$refs.udb.remove(this.selectedItems(), {
					success: (res) => {
						this.$refs.table.clearSelection()
					}
				})
			},
			// 多选
			selectionChange(e) {
				this.selectedIndexs = e.detail.index
			},
			confirmDelete(id) {
				this.$refs.udb.remove(id, {
					success: (res) => {
						this.$refs.table.clearSelection()
					}
				})
			},
			sortChange(e, name) {
				this.orderByFieldName = name;
				if (e.order) {
					this.orderby = name + ' ' + orderByMapping[e.order]
				} else {
					this.orderby = ''
				}
				this.$refs.table.clearSelection()
				this.$nextTick(() => {
					this.$refs.udb.loadData()
				})
			},
			filterChange(e, name) {
				this._filter[name] = {
					type: e.filterType,
					value: e.filter
				}
				let newWhere = filterToWhere(this._filter, db.command)
				if (Object.keys(newWhere).length) {
					this.where = newWhere
				} else {
					this.where = ''
				}
				this.$nextTick(() => {
					this.$refs.udb.loadData()
				})
			}
		}
	}
</script>

<style></style>